Bill Nye Cells

Front

What is osmosis?

Back

Osmosis is the movement of water molecules through a semi-permeable membrane from an area of lower concentration to an area of higher concentration.

Front

What is DNA?

Back

DNA is a very long molecule that contains the genetic instructions for the development and functioning of living organisms.

Front

What is a unicellular organism?

Back

A unicellular organism is an organism that consists of only one cell.

Front

What are white blood cells?

Back

White blood cells are cells in the immune system that help fight infections and protect the body against diseases.

Front

What does it mean for cells to reproduce?

Back

Reproducing means that cells can divide and create new cells, which is essential for growth and healing.

Front

What is the function of the nucleus in a cell?

Back

The nucleus is the control center of the cell, containing DNA and regulating gene expression.

Front

What are genes?

Back

Genes are segments of DNA that contain the instructions for making proteins, which determine traits in living organisms.

Front

What is the difference between plant and animal cells?

Back

Plant cells have a cell wall and chloroplasts for photosynthesis, while animal cells do not.

Front

What is mitosis?

Back

Mitosis is the process by which a cell divides to produce two identical daughter cells.

Front

What is a cell wall?

Back

A cell wall is a rigid outer layer that provides support and protection to plant cells.